Magnetic tape transducer apparatus



1966 E. F. KLEINSCHMIDT ETAL 3, 8

' MAGNETIC TAPE TRANSDUCER APPARATUS Original Filed Nov. 16, 1955 22 Sheets-Sheet l TRA MSM/ T 75R 58 621* RECE/ VER L J/ TERMINAL UN/T 8 0 CONTROL 7 F PANEL 1 56 M wi :5;

1966 E. F. KLEINSCHMIDT ETAL 3,281,303

MAGNETIC TAPE TRANSDUCER APPARATUS 22 Sheets-Sheet 2 Original Filed Nov. 16, 1955 INVENTORS 0 V) M i m k m b m C W H s m z E 7 K.m F o u Wh do EIUE 1966 E- F. KLEINSCHMIDT ETAL 8 MAGNETIC TAPE TRANSDUCER APPARATUS Original Filed Nov. 16, 1955 22 Sheets-Sheet 4 \llllllll zhkwx m 443w W I N aim INVENTORS 5 o V: M .1 m MMN w w n .mm ,YA ero NhP m m m on J Wh dO EIUE Y B Oct- 25, 1966 E. F. KLEINSCHMIDT ETAL 3,

MAGNETIC TAPE TRANSDUCER APPARATUS 22 Sheets-Sheet 5 Original Filed Nov. 16, 1955 QQM MMQQ A23. Rdi m3 b 01 Na 9.. 14mm Zuihbk \3 III: |l|||| s w U Mutt:

mw ew INVENTOR5 Edward F. Kleinschmidt John W. Ehrlich BY Edward E. Podwo'ski l W Ahorneys 1966 E. F. KLEINSCHMIDT ETAL 3,231,303

MAGNETIC TAPE TRANSDUCER APPARATUS 22 Sheets-Sheet 6 Original Filed Nov. 16, 1955 Eat $2 .nwmu 0N5. 3? F was man MNMU Nmm k Qmmk ms QRU INVENTOR.

Edword EKleinschmidt BY John W. Ehrllch Edward E. Podwojsiki MW M Attorneys 1966 E. F. KLEINSCHMIDT ETAL 3,231,803

MAGNETIC TAPE TRANSDUCER APPARATUS Original Filed Nov. 16. 1955 22 Sheets-Sheet 7 PRINTER I P80 FIG. 5'

I L l gnaw-10 on INVENTORJ Edward F. KIeinschmidI F1 1 BY John W.Ehr|ich -7 Edward E. Podwojski W A%n tys 1966 E; F. KLEINSCHMIDT ETAL 3,281,803

MAGNETIC TAPE TRANSDUCER APPARATUS Original Filed Nov. 16, 1955 22 Sheets-Sheet 8 CALL SYSTEM INVENTORS FKleinschmidt BY JohnW.Ehrlich Edward E. POdWOjSkI Mfh f forneys 5, 1966 E. F. KLEINSCHMIDT ETAL 3,281,803

MAGNETIC TAPE TRANSDUCER APPARATUS Original Filed Nov. 16, 1955 22 Sheets-Sheet 9 CALL PATCH FIG. /3

INVENTOR; Edward F K leinschmidlf BY John W. Ehrlich Edward E. Podwojskl Attorneys 1966 E. F. KLEINSCHMIDT ETAL MAGNETIC TAPE TRANSDUCER APPARATUS 22 Sheets-Sheet 10 Original Filed Nov. 16, 1955 A MPL/F/fl XMTR. 8 DISTRIBUTM POWER SUFPL Y INVENTORS Edward F Kleinschmidt John W. Ehrlich Edward E. Podwojski 1966 E. F. KLEINSCHMIDT ETAL 3,

MAGNETIC TAPE TRANSDUCER APPARATUS 22 SheetsSheet 11 Original Filed Nov. 16, 1955 mum .hbok

hum mwmk 8? Swi ll 33 J Mom U QUQQQUUK 25, 1966 E. F. KLEINSCHMIDT ETAL 3,

MAGNETIC TAPE TRANSDUCER APPARATUS 22 Sheets-Sheet 12 Original Filed Nov. 16, 1955 lllll'lq IIIIIIIIIIIII'IL Sm. aw L 22 Sheets-Sheet 15 Edward E Kleinschmidf John W. Ehrlich 1966 E. F. KLEINSCHMIDT ETAL MAGNETIC TAPE TRANSDUCER APPARATUS Original Filed Nov. 16, 1955 Oct 1966 E. F. KLEINSCHMIDT ETAL 3,281,303

MAGNETIC TAPE TRANSDUCER APPARATUS 22 Sheets-Sheet 14 Original Filed Nov. 16, 1955 BY John W. Ehrhch Edward E Podwojski M 6 A torneys Oct. 25, 1966 E. F. KLEINSCHMIDT ETAL 3,

MAGNETIC TAPE TRANSDUCER APPARATUS Original Filed Nov. 16, 1955 22 SheetsSheet 15 EL 3; gm MS @2& ta

5 mil my s t W m I n wm mum Tc mV/m Nm d Emi Kh w IFEE III mw m% u 0 wmwM dod EJE Y y B Oct. 25, 1966 E. F. KLEINSCHMIDT ETAL 3,281,803

MAGNETIC TAPE TRANSDUCER APPARATUS Original Filed Nov. 16, 1955 22 Sheets-Sheet l6 INVENTORS Edward E Kleinschmidf John W Ehrlich Edward E. Podwojski 25, 1966 E. F. KLEINSCHMIDT ETAL 3,231,803

MAGNETIC TAPE TRANSDUCER APPARATUS Original Filed Nov. 16. 1955 22 Sheets-Sheet 17 M O W a O ooooooo s ooooooo 708 5 M INVENTORQ Edward E Kleinschmldt John W.Ehrlich BY Edward E. Podwo'ski 9W dt At rn eys 1966 E. F. KLEINSCHMIDT ETAL 3,28

MAGNETIC TAPE TRANSDUCER APPARATUS Original Filed Nov. 16, 1955 22 Sheets-Sheet l8 INVENTORJ Edward F Kleinschmidt John W. Ehrlich Edward E. Podwojski Horneys 1966 E. F. KLEINSCHMIDT ETAL 3,231,803

MAGNETIC TAPE TRANSDUCER APPARATUS 22 Sheets-Sheet 19 Original Filed Nov. 16. 1955 Oct. 25, 1966 KLEINSCHMIDT ETAL 3,281,803

MAGNETIC TAPE TRANSDUCER APPARATUS Original Filed Nov. 16, 1955 22 Sheets-Sheet 20 Q m p B INVENTORS Edward F. Kleinschmidf BY John W. Ehrlich Edward E. Podwojski Attorneys 

1. IN A RECORDING APPARATUS COMPRISING A TAPE FEED REEL, A TAPE TAKE-UP REEL, A MAGNETIC TAPE EXTENDING FROM SAID FEED REEL TO SAID TAKE-UP REEL, A RECORDING HEAD IN OPERATIVE RELATION WITH SAID TAPE, AN ERASE HEAD OPERATIVELY ASSOCIATED WITH SAID TAPE AND SPACED FROM SAID RECORDING HEAD, MEANS FOR RECORDING INFORMATION ACROSS THE WIDTH OF THE TAPE BY SAID RECORDING HEAD WHILE SAID TAPE IS STATIONARY, MEANS FOR ADVANCING SAID TAPE IN STEP INCREMENT MOVEMENTS FOLLOWING EACH RECORDING OPERATION, A MECHANISM FOR DISENGAGING SAID MEANS FOR ADVANCING TAPE IN STEP INCREMENT MOVEMENTS DURING THE REWIND OPERATION OF THE TAPE, AND MEANS LOCKING SAID MECHANISM IN OPERATING CONDITION AT THE BEGINNING OF A RECORDING OR PLAYBACK OPERATION FOLLOWING COMPLETION OF THE REWIND OPERATION TO ENABLE THE TAPE TO ADVANCE A DISTANCE AT LEAST AS GREAT AS THE DISTANCE BETWEEN THE ERASING HEAD AND THE RECORDING HEAD BEFORE ENERGIZING THE RECORDING HEAD. 